Range from the cheapest Downlights installation £343 (Jack Crosby Electrical Engineers based in SG18) to the dearest Downlights installation £351 (Charles J Rogers Electrical Contractors Ltd based in SG18).
Comparing electricians estimates for Downlights installation gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for installing downlights by posting a job to electricians in Biggleswade.